FlexWallet (multiple designs)

by FrankLumien, published

FlexWallet (multiple designs) by FrankLumien Feb 23, 2016


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Print your own wallet!

Originally designed for semi-flexible filaments such as TPE (used for the red wallets in the photos).
The Mini is printable in stiffer materials (white PLA used in first photo). However, this gives a very tight fit for the cards so you might want to scale it up with a few percent. If printed in flexible materials such as TPE there is no need to scale, cards should fit perfectly as is.

FlexWallet Full
Best for those of you who use cash a lot. It has 6 card slots and a bill compartment fitting bills up to 187x74mm without folding; if you use higher bills, just scale up the Z axis when printing - The card slots will still be usable thanks to the grip area made for easier card handling

Flexwallet Mini
Best for those who rarely use cash and/or want a wallet as small as possible.
It has 4 quick access card slots, each holding a single card. Additionally there is a middle slot that can fit 3 cards and/or emergency cash (folded). The middle slot is slighty deeper in relation to the top edges to protect bills and rarely-used cards.

There are two versions of each model:

Skull contains the skull logo from Quentin Tarantino's Death Proof (painted on the car driven by Kurt Russell).

Clean is completely plain, add your own logo, name or phone number as you wish.

I have used both the Full and Mini versions for a couple of week each, there are no signs of wear and tear so far. The contents stay in place and I never worry about dropping cards or bills by mistake. Both models go nicely in the pocket, especially the Mini.

2016-10-13 - New design
After 8 months of daily use, my Mini is still in excellent condition, although slightly dirtier.
I still wanted a change, so I made an improved variant and printed it with wood filament! Check out http://www.thingiverse.com/thing:1825738

Print Settings










Designed for 0.4mm nozzles, all walls are exactly 0.4mm wide. If your slicer can't render the walls properly, set your slicer to use a 0.39mm Extrusion Width and/or Nozzle Diameter. Make sure you preview the print to confirm this.

Also make sure you set your slicer to not use more than one wall, otherwise the slots will be too tight. The bottom of the model is 0.8mm, so you can use multiple solid bottom layers if you want.

Print SLOW, especially if you use a flexible filament. This goes for both print speed and X/Y travel speeds, as you don't want the print to wobble back and forth with such thin walls. Red wallets in photos were printed at 40mm/s, but I would go even slower next time.

Using a brim helps circumventing the wobble a bit, 10 rounds are plenty.

High layer resolution is only needed if you use the non-clean versions and you want the outside details to be perfectly smooth.

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How well do the cards fit. What does it take to get the cards out?
I'm using ABS, would it be fine to use this instead of PLA?

If you're printing in ABS or other stiffer materials, I would strongly recommend using this design instead: https://www.thingiverse.com/thing:1825738
But in both cases, the fitment of the cards depend a lot on the print quality. Slower speeds and smaller layer heights will most of the time leave fewer ridges on the walls, will make the card fit better as well as lessen the risk to scratch the magnetic strip or chip. The wood print shown on the model in the link above has a smooth fit - the cards will stay put if you hold the wallet upside down, but it's still easy to pull the cards out when needed. I printed that one about a year ago and it's still holding up fine - I use it every day and actually have it in my front jeans pocket right now.
If the cards are too tight of the walls are too rough, you can cut and fold a piece of sanding paper into the shape of a card and move it up and down the slots until they are smooth/large enough.

One key issue is that you should not leave any of the card slots empty when using that wallet as the pressure against the other cards will lessen, making it easier for the other cards to fall out.

Good luck!

Tiny Wallet

Should I use ninjaflex or semi-flex

Both are the but which one did you use and which one is better to use.

I haven't tried ninjaflex, I used something similar to semiflex which worked fine. If you try ninjaflex, feel free to let us know how it turned out. :)

I am using S3D. It can't slice the Mini properly. Setting the nozzle to 0.39 is not helping.

Ok, I just tried it in S3D as well. There is a setting below Nozzle Diameter called Extrusion Width. Setting that one to 0.39mm seems works for me. Does it do the trick for you?

Aha! Thanks! So you are printing with 0.1 mm layer?

Yep, the wallets in the photos are printed with 0.1mm layers to get the skull logo as smooth as possible. Still not perfect, as can be seen, but definitely good enough (for me at least).